# == Schema Information # # Table name: regions # # id :integer not null, primary key # abbreviation :string # description :string # name :string # super_region_id :integer # class Region < ActiveRecord::Base include ValidationMessages # ================ # = Associations = # ================ has_many :sub_regions, class_name: 'Region', foreign_key: 'super_region_id' belongs_to :super_region, class_name: 'Region' # =============== # = Validations = # =============== validates :name, presence: { message: PRESENCE_MESSAGE }, uniqueness: { message: UNIQUENESS_MESSAGE } validates :description, presence: true validates :abbreviation, presence: { message: PRESENCE_MESSAGE }, uniqueness: { message: UNIQUENESS_MESSAGE } end